CN211027746U

CN211027746U - Stamping die with buffer structure

Info

Publication number: CN211027746U
Application number: CN201921327938.9U
Authority: CN
Inventors: 李伟; 蒋军成; 左卫华; 雷戈; 张小锐; 石亮军; 罗雪松; 邢晓铜
Original assignee: Hefei Huapin Precision Industry Co ltd
Current assignee: Hefei Huapin Precision Industry Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-07-17
Anticipated expiration: 2029-08-15

Abstract

The utility model belongs to the technical field of metal stamping die, especially, a stamping die with buffer structure, the on-line screen storage device comprises a base, the top welded fastening of base has vertical stand, vertical groove has been seted up to the surface of vertical stand, the sleeve pipe has been cup jointed in the surface activity of vertical stand, the inside of vertical stand is provided with buffer gear. This stamping die with buffer structure, the inside that can drive the piston with the punching force transmission to the cylindricality casing through connecting block and buffer gear's hood contact moves down, the inside packing of cylindricality casing has hydraulic oil, the hydraulic oil of the inside of cylindricality casing can flow to the piston top through the flow liquid hole when the piston moves down, hydraulic oil can carry out the cushioning operation with stamping die from the in-process that the flow liquid hole flows out, effectively reduced the mould and taking place the problem that the mould damaged because of huge punching force at the in-process to metal part punching press compound die.

Description

Stamping die with buffer structure

Technical Field

The utility model relates to a metal stamping die technical field especially relates to a stamping die with buffer structure.

Background

The stamping die is a special process device for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, is called as a cold stamping die, a metal part is often required to be placed on the die when the metal is stamped, the metal part can be stamped into a fixed shape by mutual extrusion of an upper die and a lower die, but the existing stamping die is often subjected to large impact force in the stamping process, and the die is possibly damaged in the stamping process due to the thickness of an unprocessed metal part and defective products, so that the problem is solved by providing the stamping die with a buffer structure.

SUMMERY OF THE UTILITY MODEL

Based on current stamping die often receives great impact force because the thickness of unprocessed metal parts and the reason of wastrel are very probably to cause damage technical problem to the mould at the in-process of punching press, the utility model provides a stamping die with buffer structure.

The utility model provides a pair of stamping die with buffer structure, the on-line screen storage device comprises a base, the top welded fastening of base has vertical stand, vertical groove has been seted up to the surface of vertical stand, the sleeve pipe has been cup jointed in the surface activity of vertical stand, the inside of vertical stand is provided with buffer gear.

The improved structure of the vertical upright post comprises a base, and is characterized in that a lower template is fixedly mounted at the top of the base, a top plate is fixedly welded to the outer surface of a sleeve, a hydraulic cylinder is fixedly connected to the top of the top plate, a connecting block is fixedly welded to the side surface of the top plate, and a buffer contact block is fixedly connected to one side, close to the vertical upright post, of the connecting block.

Preferably, the inside of the vertical upright is a cavity, and one end of the inside of the vertical upright cavity, which is close to the base, is connected with the buffer mechanism.

Preferably, one end of the buffer contact block, which is far away from the connecting block, penetrates through the longitudinal groove and extends to the interior of the vertical upright column.

Preferably, buffer gear includes cylindricality casing, piston, flowing liquid hole, solid fixed ring, rubber loose ring, spliced pole, extension spring, sealing ring and hood, the piston sets up the inside at the cylindricality casing, the outer wall and the solid fixed ring fixed connection of piston, the rubber loose ring inlays the surface of establishing at solid fixed ring, the outer lane of rubber loose ring is connected with the inner wall activity sealing of cylindricality casing, the top at the piston is seted up in the flowing liquid hole, the top central point of piston puts and spliced pole welded fastening, the top of spliced pole run through the cylindricality casing and with the hood welded fastening that cylindricality casing top set up, the surface and the sealing ring activity sealing of spliced pole cup joint, the outer lane of sealing ring and the fixed scarf joint in top of cylindricality casing.

Preferably, the cross-sectional shape of the fixing ring is T-shaped.

Preferably, the tension spring arranged in the cylindrical shell is movably sleeved with the connecting column, and two ends of the connecting column are fixedly connected with the piston and the top of the inner wall of the cylindrical shell respectively.

The utility model provides a beneficial effect does:

1. the connecting block that sets up through the roof side, can drive the in-process that the module moved down at the roof and drive the connecting block and carry out the activity from top to bottom along vertical groove, tip setting through the connecting block is in the inside of vertical stand, can contact with buffer gear through moving down of connecting block when the compound die of upper and lower mould, the inside that can drive the piston with the punching force transmission to cylindricality casing through the hood contact of connecting block and buffer gear moves down, the inside packing of cylindricality casing has hydraulic oil, the hydraulic oil of the inside of cylindricality casing can flow to the piston top through flowing liquid hole when the piston moves down, hydraulic oil can carry out the cushioning operation with stamping die from the in-process that flows liquid hole outflow, the problem that the mould damaged because of huge punching force takes place for the in-process of metal part punching press compound die has effectively been reduced.

2. Through setting up the extension spring, the setting of extension spring can provide ascending power with the piston, makes things convenient for buffer gear to cushion the back and carries out automatic playback operation.

Drawings

Fig. 1 is a schematic view of a stamping die with a buffer structure according to the present invention;

fig. 2 is a schematic view of a stamping die with a buffer structure according to the present invention;

fig. 3 is a sectional view of a buffering mechanism of a stamping die with a buffering structure.

In the figure: 1. a base; 2. a vertical column; 3. a longitudinal slot; 4. a buffer mechanism; 401. a cylindrical housing; 402. a piston; 403. a liquid flow hole; 404. a fixing ring; 405. a rubber movable ring; 406. connecting columns; 407. a tension spring; 408. a seal ring; 409. a top cap; 5. a sleeve; 6. a buffer contact block; 7. connecting blocks; 8. a top plate; 9. a hydraulic cylinder; 10. and a lower template.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a stamping die with a buffer structure comprises a base 1, wherein a vertical upright post 2 is welded and fixed at the top of the base 1, a longitudinal groove 3 is formed in the outer surface of the vertical upright post 2, a sleeve 5 is movably sleeved on the outer surface of the vertical upright post 2, and a buffer mechanism 4 is arranged inside the vertical upright post 2.

Base 1's top fixed mounting has lower bolster 10, the outer welded surface of sleeve pipe 5 is fixed with roof 8, the bottom and the last module connection of roof 8, the top fixedly connected with pneumatic cylinder 9 of roof 8, can drive roof 8 and sleeve pipe 5 through the flexible drive of pneumatic cylinder 9 and move down the operation, can carry out punching press compound die operation with lower bolster 10, the side welded fastening of roof 8 has connecting block 7, one side fixedly connected with buffering contact block 6 that connecting block 7 is close to vertical stand 2.

The inside of vertical column 2 is the cavity, and the inside of vertical column 2 cavity is connected with buffer gear 4 near the one end of base 1.

The one end that connecting block 7 was kept away from to buffering contact block 6 runs through vertical groove 3 and extends to the inside of vertical stand 2, through connecting block 7 that 8 sides of roof set up, can drive the in-process that the module moved down at roof 8 and drive connecting block 7 and move about along vertical groove 3.

The buffer mechanism 4 comprises a cylindrical shell 401, a piston 402, a liquid flowing hole 403, a fixed ring 404, a rubber movable ring 405, a connecting column 406, a tension spring 407, a sealing ring 408 and a top cap 409, wherein the piston 402 is arranged inside the cylindrical shell 401, the outer wall of the piston 402 is fixedly connected with the fixed ring 404, the rubber movable ring 405 is embedded on the outer surface of the fixed ring 404, the cross section of the fixed ring 404 is in a T shape, the outer ring of the rubber movable ring 405 is movably and hermetically connected with the inner wall of the cylindrical shell 401, the liquid flowing hole 403 is arranged at the top of the piston 402, the center position of the top of the piston 402 is fixedly welded with the connecting column 406, the top end of the connecting column 406 penetrates through the cylindrical shell 401 and is fixedly welded with the top cap 409 arranged above the cylindrical shell 401, the outer surface of the connecting column 406 is movably and hermetically sleeved with the sealing ring 408, the outer ring of the sealing ring 408 is fixedly embedded, the upper die and the lower die can be contacted with the buffer mechanism 4 through downward movement of the connecting block 7 when the upper die and the lower die are closed, the punching force can be transmitted to the inside of the cylindrical shell 401 through contact of the connecting block 7 and the top cap 409 of the buffer mechanism 4 to drive the piston 402 to move downward, hydraulic oil is filled in the cylindrical shell 401, when the piston 402 moves downward, the hydraulic oil in the inside of the cylindrical shell 401 can flow to the upper part of the piston 402 through the liquid flowing hole 403, the punching die can be buffered in the process that the hydraulic oil flows out of the liquid flowing hole 403, and the problem that the die is damaged due to huge punching force in the process of punching and closing the metal part by the die is effectively solved.

The tension spring 407 arranged inside the cylindrical shell 401 is movably sleeved with the connecting column 406, two ends of the connecting column 406 are fixedly connected with the piston 402 and the top of the inner wall of the cylindrical shell 401 respectively, the tension spring 407 can provide upward force to the piston 402, and automatic homing operation is performed after the buffer mechanism 4 buffers the force conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a stamping die with buffer structure, includes base (1), its characterized in that: a vertical upright post (2) is fixedly welded to the top of the base (1), a longitudinal groove (3) is formed in the outer surface of the vertical upright post (2), a sleeve (5) is movably sleeved on the outer surface of the vertical upright post (2), and a buffer mechanism (4) is arranged inside the vertical upright post (2);

the top fixed mounting of base (1) has lower bolster (10), the outer welded fastening of sleeve pipe (5) has roof (8), the top fixedly connected with pneumatic cylinder (9) of roof (8), the side welded fastening of roof (8) has connecting block (7), one side fixedly connected with buffering contact piece (6) that connecting block (7) are close to vertical stand (2).

2. The stamping die with the buffer structure as claimed in claim 1, wherein: the inside of vertical stand (2) is the cavity, the inside of vertical stand (2) cavity and the one end that is close to base (1) are connected with buffer gear (4).

3. The stamping die with the buffer structure as claimed in claim 1, wherein: one end, far away from the connecting block (7), of the buffer contact block (6) penetrates through the longitudinal groove (3) and extends to the inside of the vertical column (2).

4. The stamping die with the buffer structure as claimed in claim 1, wherein: buffer gear (4) includes cylindricality casing (401), piston (402), flowing liquid hole (403), solid fixed ring (404), rubber activity ring (405), spliced pole (406), extension spring (407), sealing ring (408) and hood (409), piston (402) sets up the inside at cylindricality casing (401), the outer wall and the solid fixed ring (404) fixed connection of piston (402), rubber activity ring (405) inlays the surface of establishing at solid fixed ring (404), the outer lane of rubber activity ring (405) and the inner wall movable seal of cylindricality casing (401) are connected, flowing liquid hole (403) are seted up at the top of piston (402), the top central point of piston (402) puts and spliced pole (406) welded fastening, the top of spliced pole (406) runs through cylindricality casing (401) and top cap (409) welded fastening that sets up above cylindricality casing (401), the outer surface of the connecting column (406) is movably and hermetically sleeved with a sealing ring (408), and the outer ring of the sealing ring (408) is fixedly embedded and connected with the top end of the cylindrical shell (401).

5. The stamping die with the buffer structure as claimed in claim 4, wherein: the cross-sectional shape of the fixing ring (404) is T-shaped.

6. The stamping die with the buffer structure as claimed in claim 4, wherein: a tension spring (407) arranged inside the cylindrical shell (401) is movably sleeved with a connecting column (406), and two ends of the connecting column (406) are fixedly connected with the piston (402) and the top of the inner wall of the cylindrical shell (401) respectively.